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Audi A4 Engine Parts & Accessories

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ES#3648624 - 06L133781BG - Purge Valve Assembly - Is your Audi suffering from a rough idle, poor fuel economy, or that dreaded Check Engine Light? The culprit might just be a failing EVAP purge valve. - Genuine Volkswagen Audi - Audi

Is your Audi suffering from a rough idle, poor fuel economy, or that dreaded Check Engine Light? The culprit might just be a failing EVAP purge valve.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3648624
Mfg#:
06L133781BG
Ships on Nov 9, 2026
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$156.67

This product was last offered at the strikethrough price on
11-06-2026

$145.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#259432 - 101905631B-4 - Spark Plugs - Set Of Four - Keep your engine running smooth with factory Bosch recommended plugs - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running smooth with factory Bosch recommended plugs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259432
Mfg#:
101905631B-4
In Stock
$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#280786 - 06E121065N - Coolant Pipe - Return - Main return pipe that connects to the heater core hoses and the engine - Genuine Volkswagen Audi - Audi

Main return pipe that connects to the heater core hoses and the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280786
Mfg#:
06E121065N
Ships in 1-2 days
19% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$131.65

This product was last offered at the strikethrough price on
11-06-2026

$106.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4727589 - AWEB9A4TK - AWE Track Edition Exhaust System - Audi B9 A4 2.0T - Equipped with the same precision-engineering as its Touring Edition counterpart, minus the 180 Technology resonators in the rear. - AWE - Audi

Equipped with the same precision-engineering as its Touring Edition counterpart, minus the 180 Technology® resonators in the rear. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
AWE - Corporate Logo
ES#:
4727589
Mfg#:
AWEB9A4TK
Ships on Nov 27, 2026
ON SALE!
Starting at $1595.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3677418 - 8E1819371T - Coolant Supply Hose - Connects the coolant flange to the heater core pipe - Hudson - Audi

Connects the coolant flange to the heater core pipe

Brand:
Hudson - Corporate Logo
ES#:
3677418
Mfg#:
8E1819371T
In Stock
$38.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2084494 - 4F0201550J - Gas Cap With Strap - Replace your leaking cap, or the one you left at the pump - Genuine Volkswagen Audi - Audi

Replace your leaking cap, or the one you left at the pump For sedan/avant models only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084494
Mfg#:
4F0201550J
In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$71.66

This product was last offered at the strikethrough price on
08-12-2026

$63.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2794733 - ARP06A01 - ARP Crank Damper Bolt - Priced Each - Totally reusable while providing 10% more clamping force - ARP - Audi Volkswagen

Totally reusable while providing 10% more clamping force

Brand:
ARP - Corporate Logo
ES#:
2794733
Mfg#:
ARP06A01
In Stock
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3106950 - 140100 - Performance Cat-Back Exhaust System - 2" stainless steel with dual 3.19" polished stainless tips - Borla - Audi

2" stainless steel with dual 3.19" polished stainless tips

Brand:
Borla - Corporate Logo
ES#:
3106950
Mfg#:
140100
In Stock at Vendor
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1779.99

This product was last offered at the strikethrough price on
11-04-2026

$1588.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#523302 - 078109479E - Timing Belt Damper - Applies pressure to the tensioning roller through the lever - NTN - Audi Volkswagen

Applies pressure to the tensioning roller through the lever From VIN #W-007799, split is in model year 1998

Brand:
NTN - Corporate Logo
ES#:
523302
Mfg#:
078109479E
In Stock
$69.99

This product was last offered at the strikethrough price on
10-21-2026

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3028669 - 034145A042 - Turbo Inlet Hose - 2.0" - To be used in conjunction with 2.75" ID MAF housing and K04/Frankenturbo F21 turbochargers - 034Motorsport - Audi Volkswagen

To be used in conjunction with 2.75" ID MAF housing and K04/Frankenturbo F21 turbochargers 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3028669
Mfg#:
034145A042
In Stock
$226.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3438884 - 06F133062Q - Throttle Body - Includes the throttle sensor - Vemo - Audi Volkswagen

Includes the throttle sensor

Brand:
Vemo - Corporate Logo
ES#:
3438884
Mfg#:
06F133062Q
In Stock
$323.99

This product was last offered at the strikethrough price on
06-10-2026

$196.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3658458 - 8k0253115hKT4 - Turbocharger Installation Kit - Includes all gaskets and hardware to install a new turbocharger - Genuine Volkswagen Audi - Audi

Includes all gaskets and hardware to install a new turbocharger

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3658458
Mfg#:
8K0253115HKT4
In Stock
$226.99

This product was last offered at the strikethrough price on
10-26-2026

$224.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2739808 - 06K115562KT-5 - Oil Filter - Pack Of 5 - Stock up and save! - Genuine Volkswagen Audi - Audi Volkswagen

Stock up and save!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2739808
Mfg#:
06K115562KT-5
In Stock
$74.99 USD
Free Shipping
ES#1832412 - FMDV14T - Atmospheric Blow Off Valve Spacer - Polished - Direct bolt on without worry of a check-engine light - Forge - Audi Volkswagen

Direct bolt on without worry of a check-engine light For vehicles with plastic intake manifolds

Brand:
Forge - Corporate Logo
ES#:
1832412
Mfg#:
FMDV14T
Back Ordered
$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4412164 - 06L103144K - Camshaft Bracket - Also called Camshaft Bridge - Genuine Volkswagen Audi - Audi Volkswagen

Also called Camshaft Bridge For vehicles with production date up to 01/10/2022

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4412164
Mfg#:
06L103144K
In Stock
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$429.99

This product was last offered at the strikethrough price on
10-05-2026

$391.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your Audi

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